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, (char **) NULL);

except that atof() does not detect errors.

RETURN VALUE The converted value.

CONFORMING TO SVr4, POSIX.1-2001, 4.3BSD, C89, C99.

SEE ALSO atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)

COLOPHON This page is part of release 3.22 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at

GNU 1993-03-29 ATOF(3)