The C language handles command-line arguments

Examples of parsing command line parameters in C language

argc :The number of parameters (including the name of the program itself)
argv: parameters list

example.c

/*
parse parameter in command line using c:
*/

#include <stdio.h>

int main(int argc, char **argv) {
    for (int i = 0; i < argc; ++i) {
        printf("argv[%d]: %s\n", i, argv[i]);
    }
}

compile：

$ gcc example.c

run:

$ ./a.out hello lautturi 123
	argv[0]: ./a.out
	argv[1]: hello
	argv[2]: lautturi
	argv[3]: 123