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static inline

int start_app(char *app_name, char *args){

#pragma pack(push, 1)

    struct file_op_t

    {

        uint32_t    fn;

        uint32_t    flags;

        char*       args;

        uint32_t    res1, res2;

        char        zero;

        char*       app_name  __attribute__((packed));

    } file_op;

    memset(&file_op, 0, sizeof(file_op));

    file_op.fn = 7;

    file_op.args = args;

    file_op.app_name = app_name;

    #pragma pack(pop)

    register int val;

    asm volatile ("int $0x40":"=a"(val):"a"(70), "b"(&file_op));

    return val;

}