ATOL Section: Linux Programmer's Manual (3) Updated: March 29, 2025 Index   NAME atol - convert a string to a long integer.   SYNOPSIS #include <stdlib.h> long atol(const char *nptr);   DESCRIPTION The atol() function converts the initial portion of the string pointed to by nptr to long. The behaviour is the same as strtol(nptr, (char **)NULL, 10); except that atol() does not detect errors.   RETURN VALUE The converted value.   CONFORMING TO SVID 3, POSIX, BSD 4.3, ISO 9899   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:58:02 GMT, March 24, 2025