Rename dlopen function to avoid POSIX name clash

No function overloading in C!

src/c/jvm.h

@@ -75,7 +75,7 @@ static int launch_jvm(const size_t argc, const char **argv) {
 
     // Load libjvm.
     debug("[JAUNCH-JVM] LOADING LIBJVM");
-    void *jvm_library = dlopen(libjvm_path);
+    void *jvm_library = loadlib(libjvm_path);
     if (!jvm_library) { error("Error loading libjvm: %s", dlerror()); return ERROR_DLOPEN; }
 
     // Load JNI_CreateJavaVM function.

src/c/posix.h

@@ -6,7 +6,7 @@
 #define SLASH "/"
 #define EXE_SUFFIX ""
 
-void *dlopen(const char *path) { return dlopen(path, RTLD_NOW | RTLD_GLOBAL); /* TODO: or RTLD_LAZY? */ }
+void *loadlib(const char *path) { return dlopen(path, RTLD_NOW | RTLD_GLOBAL); /* TODO: or RTLD_LAZY? */ }
 
 int file_exists(const char *path) {
   return access(path, F_OK) == 0;

src/c/python.h

@@ -47,7 +47,7 @@ static int launch_python(const size_t argc, const char **argv) {
 
     // Load libpython.
     debug("[JAUNCH-PYTHON] LOADING LIBPYTHON");
-    void *python_library = dlopen(libpython_path);
+    void *python_library = loadlib(libpython_path);
     if (!python_library) { error("Error loading libpython: %s", dlerror()); return ERROR_DLOPEN; }
 
     // Load Py_BytesMain function.

src/c/win32.h

@@ -6,7 +6,7 @@
 #define SLASH "\\"
 #define EXE_SUFFIX ".exe"
 
-void *dlopen(const char *path) { return LoadLibrary(path); }
+void *loadlib(const char *path) { return LoadLibrary(path); }
 void *dlsym(void *library, const char *symbol) { return GetProcAddress(library, symbol); }
 void dlclose(void *library) { FreeLibrary(library); }
 char *dlerror() {