atof(3) - Linux man page

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 behaviour 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)