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Diffstat (limited to 'man3/atof.3')
-rw-r--r-- | man3/atof.3 | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/man3/atof.3 b/man3/atof.3 new file mode 100644 index 0000000..bb1398a --- /dev/null +++ b/man3/atof.3 @@ -0,0 +1,68 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Mon Mar 29 22:39:24 1993, David Metcalfe +.\" Modified Sat Jul 24 21:39:22 1993, Rik Faith (faith@cs.unc.edu) +.TH atof 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +atof \- convert a string to a double +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <stdlib.h> +.PP +.BI "double atof(const char *" nptr ); +.fi +.SH DESCRIPTION +The +.BR atof () +function converts the initial portion of the string +pointed to by \fInptr\fP to +.IR double . +The behavior is the same as +.PP +.in +4n +.EX +strtod(nptr, NULL); +.EE +.in +.PP +except that +.BR atof () +does not detect errors. +.SH RETURN VALUE +The converted value. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR atof () +T} Thread safety MT-Safe locale +.TE +.sp 1 +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, C89, C99, SVr4, 4.3BSD. +.SH SEE ALSO +.BR atoi (3), +.BR atol (3), +.BR strfromd (3), +.BR strtod (3), +.BR strtol (3), +.BR strtoul (3) |