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struct task_struct {
    pid_t pid; // Àú³ÌºÅ
    pid_t ppid; // ¸¸Àú³ÌºÅ
    int priority; // ÓÅÏȼ¶
    unsigned long pc; // ³ÌÐò¼ÆÊýÆ÷
    unsigned long sp; // Õ»Ö¸Õë
    struct file *files; // ·­¿ªÎļþÁбí
    // ÆäËû³ÉÔ±...
};

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#include <stdio.h>

int main() {
    char *message = "Hello, Linux process!";
    printf("%s
", message);
    return 0;
}

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#include <stdio.h>

int global_var = 10;

int main() {
    int local_var = 20;
    printf("Global variable: %d, Local variable: %d
", global_var, local_var);
    return 0;
}

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#include <stdio.h>

void func(int n) {
    int sum = 0;
    for (int i = 1; i <= n; i++) {
        sum += i;
    }
    printf("Sum from 1 to %d: %d
", n, sum);
}

int main() {
    func(5);
    return 0;
}

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