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#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <unistd.h>char *cmdline_fname = "/proc/self/cmdline";#define BUFSIZE 32int main(void) {        int cmdline_fd;        char cmdline[BUFSIZE];        int bytes;        cmdline_fd = open(cmdline_fname, O_RDONLY);        if (cmdline_fd != -1) {                bytes = read(cmdline_fd, cmdline, BUFSIZE);                if (bytes != -1) {                        write(STDOUT_FILENO, cmdline, bytes);                }                close(cmdline_fd);        }        return 0;}