strict_strtoll(9) suse man page | unix.com

STRICT_STRTOLL(9)					     Basic C Library Functions						 STRICT_STRTOLL(9)

NAME
       strict_strtoll - convert a string to a long long strictly

SYNOPSIS
       int strict_strtoll(const char * cp, unsigned int base, long long * res);

ARGUMENTS
       cp
	   The string to be converted

       base
	   The number base to use

       res
	   The converted result value

DESCRIPTION
       strict_strtoll is similiar to strict_strtoull, but it allows the first character of a string is '-'.

       It returns 0 if conversion is successful and *res is set to the converted value, otherwise it returns -EINVAL and *res is set to 0.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010							 STRICT_STRTOLL(9)