com32/lib/memccpy.c

   1 /*
   2  * memccpy.c
   3  *
   4  * memccpy()
   5  */
   6
   7 #include <stddef.h>
   8 #include <string.h>
   9
  10 void *memccpy(void *dst, const void *src, int c, size_t n)
  11 {
  12     char *q = dst;
  13     const char *p = src;
  14     char ch;
  15
  16     while (n--) {
  17         *q++ = ch = *p++;
  18         if (ch == (char)c)
  19             return q;
  20     }
  21
  22     return NULL;                /* No instance of "c" found */
  23 }