1/* strchr.c
2   Look for a character in a string.  This works for a null byte.  */
3
4#include "uucp.h"
5
6char *
7strchr (z, b)
8     const char *z;
9     int b;
10{
11  b = (char) b;
12  while (*z != b)
13    if (*z++ == '\0')
14      return NULL;
15  return (char *) z;
16}
17