move files into root of repo

strops.h

@@ -0,0 +1,43 @@
+#ifndef STROPS_H
+#define STROPS_H
+
+#include <stddef.h>
+
+/*
+    All functions return a new heap-allocated string to which the requested operation was applied to.
+    The user of this library is responsible for freeing the memory of the result.
+    No function modifies the input string. The input string is copied at the beginning of a function.
+    Only 7-Bit Ascii is supported.
+*/
+
+char* strops_to_lowercase(const char* string);
+char* strops_to_uppercase(const char* string);
+int strops_is_lowercase(const char* string);
+int strops_is_uppercase(const char* string);
+
+char* strops_insert_at_pos_string(const char* string, const char* string_to_insert, size_t pos);
+char* strops_remove_at_pos_char(const char* string, size_t pos);
+
+char* strops_trim_right_whitespace(const char* string);
+char* strops_trim_left_whitespace(const char* string);
+char* strops_trim_both_whitespace(const char* string);
+
+char* strops_trim_right_chars(const char* string, const char* chars_to_remove);
+char* strops_trim_left_chars(const char* string, const char* chars_to_remove);
+char* strops_trim_both_chars(const char* string, const char* chars_to_remove);
+
+char* strops_trim_right_string(const char* string, const char* string_to_remove);
+char* strops_trim_left_string(const char* string, const char* string_to_remove);
+char* strops_trim_both_string(const char* string, const char* string_to_remove);
+
+char* strops_remove_chars(const char* string, const char* chars_to_remove);
+char* strops_remove_string(const char* string, const char* string_to_remove);
+
+size_t strops_word_count(const char* string);
+
+/* https://www.w3schools.com/tags/ref_urlencode.asp */
+int strops_is_url_encoded(const char* string);
+char* strops_url_encode(const char* string);
+char* strops_url_decode(const char* string);
+
+#endif /* STROPS_H */