C语言函数—gcvt

函数名

fwrite

功 能

写内容到流中

用 法

int fwrite(void *ptr, int size, int nitems, FILE *stream);

程序例

#include <stdio.h> 

struct mystruct 
{ 
  int i; 
  char ch; 
}; 

int main(void) 
{ 
   FILE *stream; 
   struct mystruct s; 

   if ((stream = fopen("TEST.$$$", "wb")) == NULL) /* open file TEST.$$$ */ 
   { 
      fprintf(stderr, "Cannot open output file.n"); 
      return 1; 
   } 
   s.i = 0; 
   s.ch = 'A'; 
   fwrite(&s, sizeof(s), 1, stream); /* write struct s to file */ 
   fclose(stream); /* close file */ 
   return 0; 
} 

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