Renamed DynArray to DArray and added first tests

include/DString.h

@@ -0,0 +1,51 @@
+#ifndef SCUFCONT_DSTRING_H_
+#define SCUFCONT_DSTRING_H_
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "scufcont.h"
+
+#define SCDSTRING_FMT(dstr) (int) (dstr).len, (dstr).data
+
+#define SCDString_is_null(dstr) ((dstr)->data == NULL)
+#define SCDString_c_str(dstr) ((dstr)->data)
+
+typedef struct {
+    char* data;
+    size_t len;
+    size_t capacity;
+} SCDString;
+
+ScufContResult SCDString_alloc(SCDString* dstr, const char* str, const size_t len);
+ScufContResult SCDString_reserve(SCDString* dstr, const size_t new_capacity);
+void SCDString_free(SCDString* dstr);
+bool SCDString_equal(const SCDString* s1, const SCDString* s2);
+bool SCDString_equal_c_str(const SCDString* s1, const char* s2);
+bool SCDString_equal_next_chars_c_str(
+    const SCDString* dstr,
+    const char* str,
+    const size_t str_len,
+    const size_t s
+);
+ScufContResult SCDString_concat_c_str(
+    SCDString* dstr,
+    const char* str,
+    const size_t str_len
+);
+ScufContResult SCDString_alloc_concat_c_strs(
+    SCDString* dstr,
+    const char* s1,
+    const size_t s1_len,
+    const char* s2,
+    const size_t s2_len
+);
+ScufContResult SCDString_split(
+    const SCDString* dstr,
+    const char* delim,
+    SCDString** split_arr,
+    size_t* arr_len
+);
+void SCDString_split_arr_free(SCDString** arr, const size_t arr_len);
+
+#endif // SCUFCONT_DSTRING_H_