FreeBSD Man Pages

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

ERRORS

     The functions atol() and atoll() need not affect the value of errno on an
     error.

SEE ALSO

     atof(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'').

FreeBSD 5.4		       November 28, 2001		   FreeBSD 5.4

SPONSORED LINKS