tried to parse string functions using constexpr in C++

F3:F303/Multistepper/hashgen/hashgen.c

@@ -31,23 +31,23 @@ typedef struct{
 
 static glob_pars G = {.headerfile = "hash.h", .sourcefile = "hash.c"};
 static int help = 0;
-static myoption cmdlnopts[] = {
+static sl_option_t cmdlnopts[] = {
     {"help",    NO_ARGS,    NULL,   'h',    arg_int,    APTR(&help),        "show this help"},
     {"dict",    NEED_ARG,   NULL,   'd',    arg_string, APTR(&G.dict),      "dictionary file"},
     {"header",  NEED_ARG,   NULL,   'H',    arg_string, APTR(&G.headerfile),"output header filename"},
     {"source",  NEED_ARG,   NULL,   'S',    arg_string, APTR(&G.sourcefile),"output source filename"},
-    {"genfunc", NO_ARGS,    NULL,   'F',    arg_int,    APTR(&G.genfunc),   "generate function bodys"},
+    {"genfunc", NO_ARGS,    NULL,   'F',    arg_int,    APTR(&G.genfunc),   "generate function bodies"},
     end_option
 };
 static void parse_args(int argc, char **argv){
-    parseargs(&argc, &argv, cmdlnopts);
-    if(help) showhelp(-1, cmdlnopts);
+    sl_parseargs(&argc, &argv, cmdlnopts);
+    if(help) sl_showhelp(-1, cmdlnopts);
     if(argc > 0){
         red("Unused arguments:\n");
         for(int i = 0; i < argc; ++i)
             printf("%s ", argv[i]);
         printf("\n");
-        showhelp(-1, cmdlnopts);
+        sl_showhelp(-1, cmdlnopts);
     }
 }
 
@@ -189,7 +189,10 @@ static const char *fns =
 "int fn_%s(uint32_t _U_ hash, char _U_ *args) WAL; // \"%s\" (%u)\n\n"
 ;
 static const char *headercontent =
-"#ifndef _U_\n\
+"// Generated by HASHGEN (https://github.com/eddyem/eddys_snippets/tree/master/stringHash4MCU_)\n\
+// Licensed by GPLv3\n\
+#pragma once\n\
+#ifndef _U_\n\
 #define _U_ __attribute__((__unused__))\n\
 #endif\n\n\
 #define CMD_MAXLEN  (32)\n\n\
@@ -259,12 +262,12 @@ static void build(strhash *H, int hno, int hlen){
 }
 
 int main(int argc, char **argv){
-    initial_setup();
+    sl_init();
     parse_args(argc, argv);
     if(!G.dict) ERRX("point dictionary file");
     if(!G.headerfile) ERRX("point header source file");
     if(!G.sourcefile) ERRX("point c source file");
-    mmapbuf *b = My_mmap(G.dict);
+    sl_mmapbuf_t *b = sl_mmap(G.dict);
     if(!b) ERRX("Can't open %s", G.dict);
     char *word = b->data;
     strhash *H = MALLOC(strhash, ALLOCSZ);
@@ -320,6 +323,6 @@ int main(int argc, char **argv){
     }
     if(hno == HASHFNO) WARNX("Can't find proper hash function");
     FREE(H);
-    My_munmap(b);
+    sl_munmap(b);
     return 0;
 }