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/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#define import_libc
#define import_spp
#include <iraf.h>
/* INDEX -- Search string STR for char CH, returning a pointer to the first
** occurrence of CH in STR or NULL.
*/
char *
index (
char *str, /* string to be searched */
int ch /* character we are searching for */
)
{
register char *ip = str;
do {
if (*ip == ch)
return (ip);
} while (*ip++);
return ((char *) NULL);
}
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