Updated: 2022/Sep/29

Please read Privacy Policy. It's for your privacy.


ATOL(3)                    Library Functions Manual                    ATOL(3)

NAME
     atol - convert ASCII string to long integer

LIBRARY
     Standard C Library (libc, -lc)

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 integer representation.

     It is equivalent to:

           strtol(nptr, (char **)NULL, 10);

SEE ALSO
     atof(3), atoi(3), strtod(3), strtol(3), strtoul(3)

STANDARDS
     The atol() function conforms to ANSI X3.159-1989 ("ANSI C89").

NetBSD 10.99                     June 4, 1993                     NetBSD 10.99