1.\" Copyright (c) 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. All advertising materials mentioning features or use of this software 17.\" must display the following acknowledgement: 18.\" This product includes software developed by the University of 19.\" California, Berkeley and its contributors. 20.\" 4. Neither the name of the University nor the names of its contributors 21.\" may be used to endorse or promote products derived from this software 22.\" without specific prior written permission. 23.\" 24.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)atol.3 8.1 (Berkeley) 6/4/93 37.\" $FreeBSD$ 38.\" 39.Dd June 4, 1993 40.Dt ATOL 3 41.Os 42.Sh NAME 43.Nm atol , atoll 44.Nd convert 45.Tn ASCII 46string to long or long long integer 47.Sh LIBRARY 48.Lb libc 49.Sh SYNOPSIS 50.In stdlib.h 51.Ft long 52.Fn atol "const char *nptr" 53.Ft long long 54.Fn atoll "const char *nptr" 55.Sh DESCRIPTION 56The 57.Fn atol 58function converts the initial portion of the string pointed to by 59.Ar nptr 60to 61.Em long integer 62representation. 63.Pp 64It is equivalent to: 65.Bd -literal -offset indent 66strtol(nptr, (char **)NULL, 10); 67.Ed 68.Pp 69The 70.Fn atoll 71function converts the initial portion of the string pointed to by 72.Ar nptr 73to 74.Em long long integer 75representation. 76.Pp 77It is equivalent to: 78.Bd -literal -offset indent 79strtoll(nptr, (char **)NULL, 10); 80.Ed 81.Sh SEE ALSO 82.Xr atof 3 , 83.Xr atoi 3 , 84.Xr strtod 3 , 85.Xr strtol 3 , 86.Xr strtoul 3 87.Sh STANDARDS 88The 89.Fn atol 90function 91conforms to 92.St -isoC . 93.Pp 94The 95.Fn atoll 96function 97conforms to 98.St -isoC-99 . 99