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<li><code>fdimf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fdiml</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>FDL, GNU Free Documentation License: <a href="GNU-Free-Documentation-License.html#GNU%20Free%20Documentation%20License">GNU Free Documentation License</a><li><code>ffs</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>file name suffix: <a href="Overall-Options.html#Overall%20Options">Overall Options</a><li>file names: <a href="Link-Options.html#Link%20Options">Link Options</a><li>flexible array members: <a href="Zero-Length.html#Zero%20Length">Zero Length</a><li><code>float</code> as function value type: <a href="Incompatibilities.html#Incompatibilities">Incompatibilities</a><li>floating point precision: <a href="Disappointments.html#Disappointments">Disappointments</a>, <a href="Optimize-Options.html#Optimize%20Options">Optimize Options</a><li><code>floor</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>floorf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>floorl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fma</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmaf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmal</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmax</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmaxf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmaxl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmin</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fminf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fminl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmod</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmodf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fmodl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>format</code> function attribute: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li><code>format_arg</code> function attribute: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>Fortran: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a><li>forwarding calls: <a href="Constructing-Calls.html#Constructing%20Calls">Constructing Calls</a><li><code>fprintf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fprintf_unlocked</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fputs</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fputs_unlocked</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>freestanding environment: <a href="Standards.html#Standards">Standards</a><li>freestanding implementation: <a href="Standards.html#Standards">Standards</a><li><code>frexp</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>frexpf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>frexpl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>FRV Options: <a href="FRV-Options.html#FRV%20Options">FRV Options</a><li><code>fscanf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>fscanf</code>, and constant strings: <a href="Incompatibilities.html#Incompatibilities">Incompatibilities</a><li>function addressability on the M32R/D: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>function attributes: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>function pointers, arithmetic: <a href="Pointer-Arith.html#Pointer%20Arith">Pointer Arith</a><li>function prototype declarations: <a href="Function-Prototypes.html#Function%20Prototypes">Function Prototypes</a><li>function without a prologue/epilogue code: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>function, size of pointer to: <a href="Pointer-Arith.html#Pointer%20Arith">Pointer Arith</a><li>functions called via pointer on the RS/6000 and PowerPC: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions in arbitrary sections: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions that are passed arguments in registers on the 386: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions that behave like malloc: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions that do not pop the argument stack on the 386: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions that do pop the argument stack on the 386: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions that have no side effects: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions that never return: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions that pop the argument stack on the 386: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions which do not handle memory bank switching on 68HC11/68HC12: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions which handle memory bank switching: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions with non-null pointer arguments: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>functions with <code>printf</code>, <code>scanf</code>, <code>strftime</code> or <code>strfmon</code> style arguments: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li><code>g</code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a><li><code>G</code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a><li><code>g++</code>: <a href="Invoking-G--.html#Invoking%20G++">Invoking G++</a><li>G++: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a><li><code>gamma</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>gammaf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>gammal</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>GCC: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a><li>GCC command options: <a href="Invoking-GCC.html#Invoking%20GCC">Invoking GCC</a><li><code>GCC_EXEC_PREFIX</code>: <a href="Environment-Variables.html#Environment%20Variables">Environment Variables</a><li><code>gcc_struct</code>: <a href="Type-Attributes.html#Type%20Attributes">Type Attributes</a><li><code>gcc_struct</code> attribute: <a href="Variable-Attributes.html#Variable%20Attributes">Variable Attributes</a><li><code>gettext</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>global offset table: <a href="Code-Gen-Options.html#Code%20Gen%20Options">Code Gen Options</a><li>global register after <code>longjmp</code>: <a href="Global-Reg-Vars.html#Global%20Reg%20Vars">Global Reg Vars</a><li>global register variables: <a href="Global-Reg-Vars.html#Global%20Reg%20Vars">Global Reg Vars</a><li>GNAT: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a><li>GNU C Compiler: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a><li>GNU Compiler Collection: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a><li>goto with computed label: <a href="Labels-as-Values.html#Labels%20as%20Values">Labels as Values</a><li>gp-relative references (MIPS): <a href="MIPS-Options.html#MIPS%20Options">MIPS Options</a><li><code>gprof</code>: <a href="Debugging-Options.html#Debugging%20Options">Debugging Options</a><li>grouping options: <a href="Invoking-GCC.html#Invoking%20GCC">Invoking GCC</a><li><code>H</code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a><li>hardware models and configurations, specifying: <a href="Submodel-Options.html#Submodel%20Options">Submodel Options</a><li>hex floats: <a href="Hex-Floats.html#Hex%20Floats">Hex Floats</a><li>hosted environment: <a href="C-Dialect-Options.html#C%20Dialect%20Options">C Dialect Options</a>, <a href="Standards.html#Standards">Standards</a><li>hosted implementation: <a href="Standards.html#Standards">Standards</a><li>HPPA Options: <a href="HPPA-Options.html#HPPA%20Options">HPPA Options</a><li><code>hypot</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>hypotf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>hypotl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>I</code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a><li><code>i</code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a><li>i386 Options: <a href="i386-and-x86-64-Options.html#i386%20and%20x86-64%20Options">i386 and x86-64 Options</a><li>IA-64 Options: <a href="IA-64-Options.html#IA-64%20Options">IA-64 Options</a><li>IBM RS/6000 and PowerPC Options: <a href="RS-6000-and-PowerPC-Options.html#RS%2f6000%20and%20PowerPC%20Options">RS/6000 and PowerPC Options</a><li>identifier names, dollar signs in: <a href="Dollar-Signs.html#Dollar%20Signs">Dollar Signs</a><li>identifiers, names in assembler code: <a href="Asm-Labels.html#Asm%20Labels">Asm Labels</a><li><code>ilogb</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>ilogbf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>ilogbl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>imaxabs</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>implementation-defined behavior, C language: <a href="C-Implementation.html#C%20Implementation">C Implementation</a><li>implied <code>#pragma implementation</code>: <a href="C---Interface.html#C++%20Interface">C++ Interface</a><li>incompatibilities of GCC: <a href="Incompatibilities.html#Incompatibilities">Incompatibilities</a><li>increment operators: <a href="Bug-Criteria.html#Bug%20Criteria">Bug Criteria</a><li><code>index</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>indirect calls on ARM: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>init_priority attribute: <a href="C---Attributes.html#C++%20Attributes">C++ Attributes</a><li>initializations in expressions: <a href="Compound-Literals.html#Compound%20Literals">Compound Literals</a><li>initializers with labeled elements: <a href="Designated-Inits.html#Designated%20Inits">Designated Inits</a><li>initializers, non-constant: <a href="Initializers.html#Initializers">Initializers</a><li><code>inline</code> automatic for C++ member fns: <a href="Inline.html#Inline">Inline</a><li>inline functions: <a href="Inline.html#Inline">Inline</a><li>inline functions, omission of: <a href="Inline.html#Inline">Inline</a><li>inlining and C++ pragmas: <a href="C---Interface.html#C++%20Interface">C++ Interface</a><li>installation trouble: <a href="Trouble.html#Trouble">Trouble</a><li>integrating function code: <a href="Inline.html#Inline">Inline</a><li>Intel 386 Options: <a href="i386-and-x86-64-Options.html#i386%20and%20x86-64%20Options">i386 and x86-64 Options</a><li>interface and implementation headers, C++: <a href="C---Interface.html#C++%20Interface">C++ Interface</a><li>intermediate C version, nonexistent: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a><li>interrupt handler functions: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>interrupt handler functions on the m68k, H8/300 and SH processors: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a><li>introduction: <a href="index.html#Top">Top</a><li>invalid assembly code: <a href="Bug-Criteria.html#Bug%20Criteria">Bug Criteria</a><li>invalid input: <a href="Bug-Criteria.html#Bug%20Criteria">Bug Criteria</a><li>invoking <code>g++</code>: <a href="Invoking-G--.html#Invoking%20G++">Invoking G++</a><li><code>isalnum</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>isalpha</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>isascii</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>isblank</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>iscntrl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>isdigit</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>isgraph</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li><code>islower</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a><li>ISO 9899: <a href="Standards.html#Standards">Standards</a><li>ISO C: <a href="Standards.html#Standards">Standards</a><li>ISO C standard: <a href="Standards.html#Standards">Standards</a><li>ISO C90: <a href="Standards.html#Standards">Standards</a><li>ISO C94: <a href="Standards.html#Standards">Standards</a><li>ISO C95: <a href="Standards.html#Standards">Standards</a><li>ISO C99: <a href="Standards.html#Standards">Standards</a><li>ISO C9X: <a href="Standards.html#Standards">Standards</a>
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