#ifndef GETOPT_H #define GETOPT_H #ifdef __cplusplus extern "C" { #endif extern int opterr; /* if error message should be printed */ extern int optind; /* index into parent argv vector */ extern int optopt; /* character checked for validity */ extern int optreset; /* reset getopt */ extern char *optarg; /* argument associated with option */ int getopt(int nargc, char * const nargv[], const char *ostr); #ifdef __cplusplus } #endif #endif