atof - Man Page
convert a string to a double
Library
Standard C library (libc, -lc)
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 double. 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 |
Standards
C11, POSIX.1-2008.
History
POSIX.1-2001, C89, C99, SVr4, 4.3BSD.
See Also
atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3)
Referenced By
atoi(3), dbfadd(1), lmawk(1), mawk(1), nawk(1), perlapi(1), strfromd(3), strtod(3), strtoi.3bsd(3), strtol(3), strtonum.3bsd(3), strtou.3bsd(3), strtoul(3).
2024-05-02 Linux man-pages 6.9.1