Crear cuenta
#include <stdlib.h>
#include <iostream>
int main (int argc, char *argv[]){
FILE *chkdsk; const int MAX_BUFFER = 2048;char buffer[MAX_BUFFER];
chkdsk = _popen( "java -version", "rt" );
if (chkdsk == NULL) perror ("Error al ejecutar el comando");
else{while( !feof( chkdsk ) ){
a++;
if( fgets( buffer, MAX_BUFFER, chkdsk ) != NULL ){
puts(buffer);
}else{
printf("\nfgets no recupero nada\n");
}}//While
}//else
system("pause");
fclose(chkdsk);
return 0;
}if((pipe = popen("java -version 2>&1", "r")) == NULL) {
...
}#include <stdio.h>
#include <stdlib.h>
/* */int main(int argc, char *argv[]) {
FILE *pipe;if((pipe = popen("java -version 2>&1", "r")) == NULL) {
perror("popen");
} else {
char buffer[81];
while(fgets(buffer, 80, pipe) != NULL) {
printf("-- %s", buffer);
}pclose(pipe);
}}