diff --git a/lib/src/libc/bootstrap.gsc b/lib/src/libc/bootstrap.gsc
index 799f16b..2580d08 100644
--- a/lib/src/libc/bootstrap.gsc
+++ b/lib/src/libc/bootstrap.gsc
@@ -1,13 +1,14 @@
-# ----------------------------------------
-# Bootstrap module for libgscstd-glibc
-# used on GNU/Linux operating systems
+// ----------------------------------------
+// Bootstrap module for libgscstd-glibc
+// used on GNU/Linux operating systems
 
 include "os"
 
-# main function is to be implemented by the application source
+// main function is to be implemented by the application source
+#[nomangle]
 fun main()
 
-# entrypoint function
+// entrypoint function
 #[nomangle,noreturn,entry]
 fun _start() {
     main()
diff --git a/lib/src/libc/os.gsc b/lib/src/libc/os.gsc
index 954a374..d4225ee 100644
--- a/lib/src/libc/os.gsc
+++ b/lib/src/libc/os.gsc
@@ -1,7 +1,7 @@
 
 include "types"
 
-# from unistd.h
+// from unistd.h
 #[nomangle,preserve,noreturn]
 fun _exit(in i32: code)
 
diff --git a/lib/src/libc/types.gsc b/lib/src/libc/types.gsc
index 30b8654..75f15c7 100644
--- a/lib/src/libc/types.gsc
+++ b/lib/src/libc/types.gsc
@@ -1,19 +1,19 @@
 
-# Signed integer types
+// Signed integer types
 type signed half half int: i8
 type signed half int: i16
 type signed int: i32
 type signed long int: i64
 type signed long long int: i128
 
-# Unsigned integer types
+// Unsigned integer types
 type unsigned half half int: u8
 type unsigned half int: u16
 type unsigned int: u32
 type unsigned long int: u64
 type unsigned long long int: u128
 
-# Floating point
+// Floating point
 type half float: f16
 type float: f32
 type double float: f64
diff --git a/src/lex/lexer.l b/src/lex/lexer.l
index 9f28ba3..8762224 100644
--- a/src/lex/lexer.l
+++ b/src/lex/lexer.l
@@ -28,7 +28,7 @@
 %%
 "\n"    yyLineNumber++;
 
-#.* ;
+//.* ;
 
 "::" {return(ModSep);};
 ":" {DEBUG("\"%s\" tokenized with \':\'", yytext); return(':');};