executable doesn't work

//
// Created by Giuseppe on 04/08/2020.
//
#include <cstdio>

#define BUFFER_SIZE 1000
#define ERROR_PARAMETERS -1
#define ERROR_OPENING_IN_F -2
#define ERROR_OPENING_OUT_F -3

int main(int argc,char * argv[]) {
    FILE * in_file;
    FILE * out_file;
    char buffer[BUFFER_SIZE +1];
    int char_read;

    if(argc != 3){
        fprintf(stderr, "Errore nei parametri\n");
        return ERROR_PARAMETERS;
    }

    if((in_file = fopen(argv[1],"r"))==NULL){
        fprintf(stderr, "Errore nell'apertura del file di input\n");
        return ERROR_OPENING_IN_F;
    }

    if((out_file = fopen (argv[2],"w"))==NULL){
        fprintf(stderr, "Errore nell'apertura del file di output\n");
        return ERROR_OPENING_OUT_F;
    }

    char_read = fscanf(in_file,"%s",buffer);
    while(!feof(in_file)){
        fprintf(out_file,"%s",buffer);
        char_read = fscanf(in_file,"%s",buffer);
    }

    if(char_read>0)
        fprintf(out_file, "%s\n",buffer);

    fclose(in_file);
    fclose(out_file);

    return 0;

}


when i use the terminal, it doesn't work and don't writes Errore nei parametri why?

C:\Users\Giuseppe\Desktop\SECONDO SEMESTRE\ALGORITMI&CALCOLATORI\progetti algoritmi\LeggiescrivisuFile\cmake-build-debug>LeggiescrivisuFileC

C:\Users\Giuseppe\Desktop\SECONDO SEMESTRE\ALGORITMI&CALCOLATORI\progetti algoritmi\LeggiescrivisuFile\cmake-build-debug>