ATOL(3)

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”).

June 4, 1993 | NetBSD 8.3