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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 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 │
└───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┴───────────────┴────────────────┘
CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.
SEE ALSO
atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3)
GNU 2021-03-22 ATOF(3)