strtoul

Syntax

#include <stdlib.h> unsigned long strtoul(const char *s, char **endp, int base);

Description

This is just like strtol (see section strtol) except that the result is unsigned.

Return Value

The value.

Portability

ANSI/ISO C	C89; C99
POSIX	1003.2-1992; 1003.1-2001

Example

printf("Enter a number: "); fflush(stdout); gets(buf); char *bp; printf("The value is %u\n", strtoul(buf, &bp, 0));