#include <string.h>
int strpos (
const char *string, /* string to search */
char c); /* character to find */
Description
The strpos function searches string for
the first occurrence of c. The null character
terminating string is included in the search.
Return Value
The strpos function returns the index of the character
matching c in string or a value
of -1 if no matching character was found. The index of the first
character in string is 0.
#include <string.h>
#include <stdio.h> /* for printf */
void tst_strpos (void) {
char text [] = "Search this string for blanks";
int i;
i = strpos (text, ' ');
if (i == -1)
printf ("No spaces found in %s\n", text);
else
printf ("Found a space at offset %d\n", i);
}
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