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--title Some Source Code Examples
--author Andreas Krennmair
--date today
--newpage
--center The Famous "Hello World" Source Code
--beginoutput
#include <stdio.h>
int main(void) {
puts("Hello World");
return 0;
}
--endoutput
--newpage
--center The Very Same Example, But This Time In Pieces
--beginoutput
#include <stdio.h>
---
int main(void) {
---
puts("Hello World");
---
return 0;
---
}
--endoutput
--newpage
--heading This is some example source code
--beginoutput
static void run_command(char *cmd, char *ip) {
int pid;
pid = fork();
if (pid == 0) {
char env_ip[20], env_cmd[strlen(cmd)+10];
char *const envp[] = { env_ip, env_cmd, "PATH=/bin:/usr/bin", 0 };
snprintf(env_cmd, sizeof(env_cmd), "CMD=%s", cmd);
snprintf(env_ip, sizeof(env_ip), "IP=%s", ip);
execle("/bin/sh", "/bin/sh", "-c", cmd, NULL, envp);
limit_syslog(LOG_ERR, "execl of %s failed: %s", cmd, strerror(errno));
exit(EXIT_FAILURE);
} else if (pid == -1) {
limit_syslog(LOG_ERR, "fork failed: %s", strerror(errno));
} else {
(void) waitpid(pid, NULL, 0);
}
}
--endoutput
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