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#include "os.h"
#include <stdio.h>
#include <string.h>
void display_os_name() {
char buf[64];
FILE *p = popen("uname -s", "r");
if (!p) {
fprintf(stderr, "「uname」コマンドを実効に失敗");
return;
}
while (fgets(buf, sizeof(buf), p) != NULL) {
buf[strcspn(buf, "\n")] = '\0';
printf("%s", buf);
}
pclose(p);
}
void display_os_vers() {
char buf[16];
FILE *p = popen("uname -r", "r");
if (!p) {
fprintf(stderr, "「uname」コマンドを実効に失敗");
return;
}
while (fgets(buf, sizeof(buf), p) != NULL) {
buf[strcspn(buf, "\n")] = '\0';
printf("%s", buf);
}
pclose(p);
}
void display_os_arch() {
char buf[16];
FILE *p = popen("uname -m", "r");
if (!p) {
fprintf(stderr, "「uname」コマンドを実効に失敗");
return;
}
while (fgets(buf, sizeof(buf), p) != NULL) {
buf[strcspn(buf, "\n")] = '\0';
printf("%s", buf);
}
pclose(p);
}
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