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Diffstat (limited to 'lib/libc/stdlib/atol.3')
-rw-r--r-- | lib/libc/stdlib/atol.3 | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/lib/libc/stdlib/atol.3 b/lib/libc/stdlib/atol.3 new file mode 100644 index 0000000..10b8cf7 --- /dev/null +++ b/lib/libc/stdlib/atol.3 @@ -0,0 +1,110 @@ +.\" Copyright (c) 1990, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the American National Standards Committee X3, on Information +.\" Processing Systems. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)atol.3 8.1 (Berkeley) 6/4/93 +.\" $FreeBSD$ +.\" +.Dd November 28, 2001 +.Dt ATOL 3 +.Os +.Sh NAME +.Nm atol , atoll +.Nd convert +.Tn ASCII +string to +.Vt long +or +.Vt "long long" +integer +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In stdlib.h +.Ft long +.Fn atol "const char *nptr" +.Ft "long long" +.Fn atoll "const char *nptr" +.Sh DESCRIPTION +The +.Fn atol +function converts the initial portion of the string pointed to by +.Fa nptr +to +.Vt long +integer +representation. +.Pp +It is equivalent to: +.Pp +.Dl "strtol(nptr, (char **)NULL, 10);" +.Pp +The +.Fn atoll +function converts the initial portion of the string pointed to by +.Fa nptr +to +.Vt "long long" +integer +representation. +.Pp +It is equivalent to: +.Pp +.Dl "strtoll(nptr, (char **)NULL, 10);" +.Sh ERRORS +The functions +.Fn atol +and +.Fn atoll +need not +affect the value of +.Va errno +on an error. +.Sh SEE ALSO +.Xr atof 3 , +.Xr atoi 3 , +.Xr strtod 3 , +.Xr strtol 3 , +.Xr strtoul 3 +.Sh STANDARDS +The +.Fn atol +function +conforms to +.St -isoC . +The +.Fn atoll +function +conforms to +.St -isoC-99 . |