ATOI(3) OpenBSD Programmer's Manual ATOI(3) NAME atoi - convert ASCII string to integer SYNOPSIS #include <stdlib.h> int atoi(const char *nptr); DESCRIPTION The atoi() function converts the initial portion of the string pointed to by nptr to integer representation. It is equivalent to: (int)strtol(nptr, (char **)NULL, 10); CAVEATS atoi does no overflow checking, handles unsigned numbers poorly, and han- dles strings containing trailing extra characters (like ``123abc'') poor- ly. Careful use of strtol(3) and strtoul(3) can alleviate these prob- lems. SEE ALSO atof(3), atol(3), strtod(3), strtol(3), strtoul(3) STANDARDS The atoi() function conforms to ANSI X3.159-1989 (``ANSI C''). OpenBSD 3.3 June 4, 1993 1 Academy for Soul-based Coaching | Gewoon aan de slag | Phoenix Sailing | Boulderen in Amserfoort | Klimvereniging Top-it |