ATOF(F) Linux Programmer's Manual ATOF(F) 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 SVID 3, POSIX, BSD 4.3, ISO 9899 SEE ALSO atoi(i), atol(l), strtod(d), strtol(l), strtoul(l) GNU 1993-03-29 ATOF(F)