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exercism/rna-transcription/rna_transcription.c

@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *to_rna(const char s[])
+{
+
+    /* determines the length of the given string */
+    int len = strlen(s);
+
+    /* creates a return string */
+    char *ans = malloc(sizeof(char) * len);
+
+    /* for the loop */
+    int i = 0;
+
+    /* actual compile process */
+    for (i = 0; i < len; i++)
+    {
+        switch (s[i])
+        {
+        case 'G':
+            ans[i] = 'C';
+            break;
+        case 'C':
+            ans[i] = 'G';
+            break;
+        case 'T':
+            ans[i] = 'A';
+            break;
+        case 'A':
+            ans[i] = 'U';
+            break;
+        }
+    }
+
+    return ans;
+}

exercism/rna-transcription/rna_transcription.h

@@ -0,0 +1,7 @@
+#ifndef __RNA_TRANSCRIPTION__H
+#define __RNA_TRANSCRIPTION__H
+
+/* to_rna: compiles a DNA strand in its RNA complement */
+char * to_rna(const char s[]);
+
+#endif