📄 gnustub.c
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#include <sys/types.h>caddr_t sbrk(int incr){ extern char end; /* Defined by the linker. */ static char * heap_end; char * prev_heap_end; if ( heap_end == 0) { heap_end = & end; } prev_heap_end = heap_end; heap_end += incr; return (caddr_t) prev_heap_end;}
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