atof(3) Library Functions Manual atof(3) atof - (libc -lc) #include double atof(const char *nptr); atof() nptr double. strtod(nptr, NULL); atof() . . attributes(7). +----------------------+------------------------------------+---------------------------------------------------------------------------------------------+ | | | | +----------------------+------------------------------------+---------------------------------------------------------------------------------------------+ |atof() | | (locale) (MT-Safe) | +----------------------+------------------------------------+---------------------------------------------------------------------------------------------+ C11, POSIX.1-2008. POSIX.1-2001 C89 C99 SVr4 4.3BSD. atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3) 3 . . : . 6.18 8 2026 atof(3)