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- /*
- * strchr --- search a string for a character
- *
- * We supply this routine for those systems that aren't standard yet.
- */
-
- #if 0
- #include <stdio.h>
- #endif
-
- char *
- strchr(str, c)
- register const char *str, c;
- {
- if (c == '\0') {
- /* thanks to Mike Brennan ... */
- do {
- if (*str == c)
- return (char *) str;
- } while (*str++);
- } else {
- for (; *str; str++)
- if (*str == c)
- return (char *) str;
- }
-
- return NULL;
- }
-
- /*
- * strrchr --- find the last occurrence of a character in a string
- *
- * We supply this routine for those systems that aren't standard yet.
- */
-
- char *
- strrchr(str, c)
- register const char *str, c;
- {
- register const char *save = NULL;
-
- for (; *str; str++)
- if (*str == c)
- save = str;
-
- return (char *) save;
- }
-