How to pass argument values in the program implementing the shell - c

Question

SOURCE::
#include <stdio.h> // printf()
#include <stdlib.h> // exit()
#include <string.h> // string
#include <dirent.h> // microsoft base compiler. _chdir, _getcwd
#include <unistd.h> // unix base complier. getcwd, chdir
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#define FILE_SIZE 1024
#define MAX 255
#define ERROR (-1)
void cmd_mkdir(int argc, char *argv);
void cmd_ls()
{
char * cwd = (char *)malloc(sizeof(char) * 1024);
DIR * dir = NULL;
struct dirent * entry = NULL;
getcwd(cwd, 1024);
if( (dir = opendir(cwd)) == NULL)
{
printf("current directory error\n");
exit(1);
}
while( (entry = readdir(dir)) != NULL)
{
printf("%s\n", entry->d_name);
}
free(cwd);
closedir(dir);
}
void cmd_pwd() {
char buf[MAX];
getcwd(buf, MAX);
printf("%s\n", buf);
}
int main(int argc, char *argv[])
{
char cBuf[MAX];
char *arg;
while(1) {
printf(">> ");
arg = fgets(cBuf, MAX, stdin);
if(argc < 2){
// printf("1111\n"); -- check
if(strncmp(arg, "ls", 2) == 0)
cmd_ls();
else if(strncmp(arg, "pwd", 3) == 0)
cmd_pwd();
else if(strncmp(arg, "exit", 4) == 0)
break;
} // if END
else {
// printf("2222\n"); -- check
if(strcmp(arg, "mkdir") == 0){
if (argc != 2)
fprintf(stderr, "Usage : jmkdir dirname\n");
if(mkdir(argv[1], 0755))
perror("mkdir error");
}
}// else END
} // while END
} // main END
Desired result::
How to get two input values (mkdir, mini_maked) as parameters after executing ./minishell (executable file implementing the shell)
$ ./minishell
>> mkdir mini_maked
Currently implemented ls, pwd, exit can be implemented because it can be used without options, but a command that requires a "command filename" such as mkdir is not implemented.
If the program itself functions as mkdir, it is solved using the values of argc and argv.
However, since the ./myshell program itself implements the shell program, when you run the program and receive mkdir mini_maked as an input, you are having a hard time executing the command.
If we get two inputs (mkdir, mini_maked) after program execution, how do we get these as parameters?