Got a basic WebAssembly module compiling with support for calling jsStdPrint through printf implementation (provided by stb_sprintf.h). We have a single function "HelloFromWasm" exported for testing purposes. Pulled in a bunch of standard library headers from PigCore's wasm layer.

std/string.h

@@ -0,0 +1,56 @@
+/*
+File:   string.h
+Author: Taylor Robbins
+Date:   08\28\2025
+*/
+
+#ifndef _STRING_H
+#define _STRING_H
+
+#include <stdint.h>
+
+#define WASM_STD_USE_BUILTIN_MEMSET  1
+#define WASM_STD_USE_BUILTIN_MEMCPY  1
+#define WASM_STD_USE_BUILTIN_MEMMOVE 1
+
+MAYBE_START_EXTERN_C
+
+#if WASM_STD_USE_BUILTIN_MEMSET
+// Basically converts to memory.fill instruction
+#define memset(pntr, value, numBytes) __builtin_memset((pntr), (value), (numBytes));
+#else
+void* _memset(void* pntr, int value, size_t numBytes);
+#define memset(pntr, value, numBytes) _memset((pntr), (value), (numBytes))
+#endif
+
+#if WASM_STD_USE_BUILTIN_MEMCPY
+// Basically converts to memory.copy instruction
+#define memcpy(dest, source, numBytes) __builtin_memcpy((dest), (source), (numBytes));
+#else
+void* _memcpy(void* dest, const void* source, size_t numBytes);
+#define memcpy(dest, source, numBytes) _memcpy((dest), (source), (numBytes))
+#endif
+
+#if WASM_STD_USE_BUILTIN_MEMMOVE
+// Basically converts to memory.copy instruction
+#define memmove(dest, source, numBytes) __builtin_memmove((dest), (source), (numBytes));
+#else
+void* _memmove(void* dest, const void* source, size_t numBytes);
+#define memmove(dest, source, numBytes) _memmove((dest), (source), (numBytes))
+#endif
+
+int memcmp(const void* left, const void* right, size_t numBytes);
+char* strcpy(char* dest, const char* source);
+// TODO: char* strstr(const char* haystack, const char* needle);
+
+int strcmp(const char* left, const char* right);
+int strncmp(const char* left, const char* right, size_t numBytes);
+size_t strlen(const char* str);
+// TODO: size_t wcslen(const wchar_t* str);
+
+//TODO: char *strchr (const char *, int); //NEEDED for slre.c
+//TODO: char *strrchr (const char *, int); //NEEDED for slre.c
+
+MAYBE_END_EXTERN_C
+
+#endif //  _STRING_H