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// commands.h
// commands to use in the program
#include <stddef.h>
#define MAX_EXPLANATION_LINES 3
typedef struct {
char *name;
char *short_name;
char *args_str;
char *explanation[MAX_EXPLANATION_LINES];
size_t explanation_lines;
int (*handler)(int argc, char *argv[]);
} Command;
// all commands of the program
extern const Command commands[];
extern const size_t commands_count;
// check if the given command is represented by the given string
// params:
// - command - potentailly represented command
// - str - potentially representing string
// returns:
// 1 if command is represneted by string, 0 if not
extern int is_command(Command command, char *str);
// print information about help when program didn't recognize command
// params:
// - prog_name - name of the program (argv[0])
extern void command_not_recognized(const char *prog_name);
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