ATOF - reference manual online

Convert a string to a double.

ATOF(3)                             Linux Programmer's Manual                             ATOF(3)

NAME atof - convert a string to a double
SYNOPSIS #include <stdlib.h> double atof(const char *nptr);
DESCRIPTION The atof() function converts the initial portion of the string pointed to by nptr to dou‐ ble. The behavior is the same as strtod(nptr, NULL); except that atof() does not detect errors.
RETURN VALUE The converted value.
ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). ┌──────────┬───────────────┬────────────────┐ │Interface │ Attribute │ Value │ ├──────────┼───────────────┼────────────────┤ │atof() │ Thread safety │ MT-Safe locale │ └──────────┴───────────────┴────────────────┘
CONFORMING TO POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.
SEE ALSO atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)
COLOPHON This page is part of release 4.04 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at
GNU 2015-08-08 ATOF(3)
This manual Reference Other manuals
atof(3) referred by a2x(3bobcat) | atoi(3) | dbfadd(1) | mawk(1) | strtod(3) | strtol(3) | strtonum(3) | strtoul(3)
refer to atoi(3) | attributes(7) | strtod(3) | strtol(3) | strtoul(3)