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/*
* strchr --- search a string for a character
*
* We supply this routine for those systems that aren't standard yet.
*/
#include <stdio.h>
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;
}
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