com32/lib/memchr.c


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/*
 * memchr.c
 */

#include <stddef.h>
#include <string.h>

void *memchr(const void *s, int c, size_t n)
{
  const unsigned char *sp = s;

  while ( n-- ) {
    if ( *sp == (unsigned char)c )
      return (void *)sp;
  }

  return NULL;
}