diff --git a/self.sh b/self.sh
index a4608e2dc8aeb7027d324dcc2b36ae6116bda6ba..ac833cfc4b92bd1db9ff938c2dfcc8aa2766fc95 100755
--- a/self.sh
+++ b/self.sh
@@ -19,6 +19,15 @@ long fread(void *ptr, long size, long nmemb, FILE *stream);
 int feof(FILE *stream);
 static void assert() {}
 int strcmp(char *s1, char *s2);
+int printf(char *fmt, ...);
+int sprintf(char *buf, char *fmt, ...);
+long strlen(char *p);
+int strncmp(char *p, char *q);
+void *memcpy(char *dst, char *src, long n);
+char *strndup(char *p, long n);
+int isspace(int c);
+char *strstr(char *haystack, char *needle);                                              
+long strtol(char *nptr, char **endptr, int base);
 EOF
 
     grep -v '^#' chibi.h >> $TMP/$1
@@ -28,6 +37,7 @@ EOF
     sed -i 's/\btrue\b/1/g; s/\bfalse\b/0/g;' $TMP/$1
     sed -i 's/\bNULL\b/0/g' $TMP/$1
     sed -i 's/, \.\.\.//g' $TMP/$1
+    sed -i 's/INT_MAX/2147483647/g' $TMP/$1
 
     ./chibicc $TMP/$1 > $TMP/${1%.c}.s
     gcc -c -o $TMP/${1%.c}.o $TMP/${1%.c}.s
@@ -40,5 +50,7 @@ done
 
 expand main.c
 expand type.c
+expand parse.c
+expand codegen.c
 
 gcc -static -o chibicc-gen2 $TMP/*.o