cmdproc.h

// maximum number of arguments (including command itself)
#define CMD_MAX_ARGS 50

// default result codes
#define CMD_OK      0
#define CMD_NO_CMD  -0x7F00
#define CMD_UNKNOWN -0x7F01
#define CMD_ARG     -0x7F02

typedef int (cmd_fn)(int argc, char *argv[]);

// command table entry
typedef struct {
    const char *name;
    cmd_fn *cmd;
    const char *help;
} cmd_t;

/**
 * Parses the given line into arguments, matches it with a command and executes the command.
 * @param[in] commands command table
 * @param[in] line the line to parse
 * @return the result of command execution
 */
int cmd_process(const cmd_t *commands, char *line);

const cmd_t *cmd_find(const cmd_t * commands, const char *name);