ATOF(3) ATOF(3) NAME atof, atoi, atol - convert ASCII to numbers SYNOPSIS double atof(nptr) char *nptr; atoi(nptr) char *nptr; long atol(nptr) char *nptr; DESCRIPTION These functions convert a string pointed to by nptr to floating, integer, and long integer representation respec- tively. The first unrecognized character ends the string. Atof recognizes an optional string of tabs and spaces, then an optional sign, then a string of digits optionally con- taining a decimal point, then an optional `e' or `E' fol- lowed by an optionally signed integer. Atoi and atol recognize an optional string of tabs and spaces, then an optional sign, then a string of digits. SEE ALSO scanf(3) BUGS There are no provisions for overflow.