Change cstr to slc function to have proper namespacing

examples/string_split.c

@@ -7,7 +7,7 @@ int isnotalpha(int x) { return !isalpha(x); }
 
 int main() {
   char *src = "This is a list of words, which apparently has been referred to previously as a sentence";
-  Lz_Slc s = lz_cstr_to_slc(src);
+  Lz_Slc s = lz_slc_from_cstr(src);
 
   Lz_Slc word;
   int i = 0;

examples/string_trim.c

@@ -5,7 +5,7 @@
 
 int main() {
   char *src = " \t   This text has some extra whitespace  \t ";
-  Lz_Slc s = lz_cstr_to_slc(src);
+  Lz_Slc s = lz_slc_from_cstr(src);
 
   printf("|"LZ_STR_FMT"|\n", LZ_STR_PRINTF(s));
   lz_slc_trim_typ(&s, isspace);

lazy.h

@@ -32,7 +32,7 @@ size_t lz_hm_hash_void_get(size_t cap, _Bool *exists, _Bool *tombstones,
                             void *key, void *keys, size_t k_s);
 size_t lz_hm_hash_void_set(size_t cap, _Bool *exists,
                             _Bool *tombstones, void* key, size_t k_s);
-Lz_Slc lz_cstr_to_slc(char *dat);
+Lz_Slc lz_slc_from_cstr(char *dat);
 char *lz_cstr_dup(const char *s);
 
 double lz_slc_atof(Lz_Slc *src);
@@ -388,7 +388,7 @@ Lz_SB lz_sb_from_cstr(const char *dat) {
   return sb;
 }
 
-Lz_Slc lz_cstr_to_slc(char *dat) {
+Lz_Slc lz_slc_from_cstr(char *dat) {
   Lz_Slc out = {0};
   out.data = dat;
   out.cnt = strlen(dat);