remove const

demo/add.c

@@ -1,5 +1,4 @@
-int printf(const char format[], ...);
-int scanf(const char format[], ...);
+int printf(char* format, ...);
 
 void should_be(int expected, int actual) {
     if (expected != actual) {

demo/hello.c

@@ -1,4 +1,4 @@
-int printf(const char* format, ...);
+int printf(char* format, ...);
 
 int main() {
     printf("hello world %d\n", 42);

demo/lut.c

@@ -1,46 +0,0 @@
-int printf(const char format[], ...);
-int getchar();
-
-char string_table[65536];
-int string_offset;
-int string_lut[4096];
-int string_lut_size;
-
-int parse_string() {
-    int offset = string_offset;
-    int ch;
-    while ((ch = getchar()) != '"') {
-        if (ch == -1 || ch == '\n') {
-            printf("expecting '\"'\n");
-            return 1;
-        }
-        string_table[string_offset++] = ch;
-    }
-    string_table[string_offset++] = 0;
-    string_lut[string_lut_size] = offset;
-    return string_lut_size++;
-}
-
-
-int streq(const char* s1, const char* s2) {
-    while (*s1 && *s2 && *s1 == *s2) {
-        s1++;
-        s2++;
-    }
-    return *s1 == *s2;
-}
-
-void dump_string_table() {
-    printf(".data\n");
-    for (int i = 0; i < string_lut_size; ++i) {
-        char* id = string_table + string_lut[i];
-        printf(".LC%d: .string \"%s\", const: %d\n", 
-            i, id, streq(id, "const"));
-    }
-}
-
-int main() {
-    char ch;
-    while ((ch = getchar()) == '"') parse_string();
-    dump_string_table();
-}

demo/queen.c

@@ -1,4 +1,4 @@
-int printf(const char format[], ...);
+int printf(char* format, ...);
 int putchar(int ch);
 
 int a[9];

demo/sort.c

@@ -1,5 +1,5 @@
-int printf(const char format[], ...);
-int scanf(const char format[], ...);
+int printf(char* format, ...);
+int scanf(char* format, ...);
 
 void sort(int a[], int n) {
     for (int i = 0; i < n; i++) {

demo/strcmp.c

@@ -1,6 +1,6 @@
-int printf(const char* format, ...);
+int printf(char* format, ...);
 
-int strcmp(const char* s1, const char* s2) {
+int strcmp(char* s1, char* s2) {
     while (*s1 && *s2 && *s1 == *s2) {
         s1++;
         s2++;
@@ -9,8 +9,8 @@ int strcmp(const char* s1, const char* s2) {
 }
 
 int main() {
-    const char* s1 = "helloworld";
-    const char* s2 = "world";
+    char* s1 = "helloworld";
+    char* s2 = "world";
     printf("%d\n", strcmp(s1, s2));
     printf("%d\n", strcmp(s1 + 5, s2));
 }