read from command line c
int // Specifies that type of variable the function returns.
// main() must return an integer
main ( int argc, char **argv ) {
// code
return 0; // Indicates that everything went well.
}int main(int argc, char* argv[]){/*...*/}#include <stdio.h>
int main(int argc, char **argv) {
for (int i = 0; i < argc; ++i) {
printf("argv[%d]: %s\n", i, argv[i]);
}
}
/*
[birryree@lilun c_code]$ ./a.out hello there
argv[0]: ./a.out
argv[1]: hello
argv[2]: there
*/
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