declare.c

来自「Thinking_in_C___2.rar」· C语言 代码 · 共 26 行

/*: C04:Declare.c
// From Thinking in C++, 2nd Edition
// at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
Declaration/definition examples */
extern int i; /* Declaration without definition */
extern float f(float); /* Function declaration */

float b;  /* Declaration & definition */
float f(float a) {  /* Definition */
  return a + 1.0;
}

int i; /* Definition */
int h(int x) { /* Declaration & definition */
  return x + 1;
}

int main() {
  b = 1.0;
  i = 2;
  f(b);
  h(i);
} /* ///:~ */