完成了第 13 章 多种 I/O 函数

ch13/writev.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <sys/uio.h>
+
+int main(int argc, char *argv[])
+{
+    struct iovec vec[2];
+    char buf1[] = "ABCDEFG";
+    char buf2[] = "1234567";
+    int str_len;
+
+    vec[0].iov_base = buf1;
+    vec[0].iov_len = 3;
+    vec[1].iov_base = buf2;
+    vec[1].iov_len = 4;
+
+    str_len = writev(1, vec, 2);
+    puts("");
+    printf("Write bytes: %d \n", str_len);
+    return 0;
+}