ATOL(3) BSD Library Functions Manual ATOL(3)NAME
atol, atoll — convert ASCII string to long or long long integer
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <stdlib.h>
long
atol(const char *nptr);
long long
atoll(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, NULL, 10);
The atoll() function converts the initial portion of the string pointed
to by nptr to long long integer representation.
It is equivalent to:
strtoll(nptr, NULL, 10);
ERRORS
The functions atol() and atoll() need not affect the value of errno on an
error.
SEE ALSOatof(3), atoi(3), strtod(3), strtol(3), strtoul(3)STANDARDS
The atol() function conforms to ISO/IEC 9899:1990 (“ISO C90”). The
atoll() function conforms to ISO/IEC 9899:1999 (“ISO C99”).
BSD November 28, 2001 BSD