Update comments and simplify

example/ex11-section.c

@@ -0,0 +1,45 @@
+#include <stdio.h>
+
+#include "m-array.h"
+#include "m-tuple.h"
+#include "m-dict.h"
+#include "m-string.h"
+
+// Let's define a tuple composed of (offset, value) and register it
+TUPLE_DEF2(symbol, (offset, long), (value, long))
+#define M_OPL_symbol_t() TUPLE_OPLIST(symbol, M_DEFAULT_OPLIST, M_DEFAULT_OPLIST)
+
+// Let's define an array of such tuple and register it
+ARRAY_DEF(array_symbol, symbol_t)
+#define M_OPL_array_symbol_t() ARRAY_OPLIST(array_symbol, M_OPL_symbol_t())
+
+// Let's define a dictionnary associating a string_t to such an array and register it
+DICT_DEF2(sections, string_t, array_symbol_t)
+#define M_OPL_sections_t() DICT_OPLIST(sections, STRING_OPLIST, M_OPL_array_symbol_t())
+
+int main(int argc, const char *argv[])
+{
+  if (argc < 2) abort();
+  FILE *f = fopen(argv[1], "rt");
+  if (!f) {
+    fprintf(stderr, "ERROR: Cannot open %s\n", argv[1]);
+    return 2;
+  }
+
+  // Create & initialize sc as sections_t
+  M_LET(sc, sections_t) {
+    // Read the section from the FILE
+    sections_in_str(sc, f);
+    // Get the section named .text
+    array_symbol_t *a = sections_get(sc, STRING_CTE(".text"));
+    if (a == NULL) {
+      printf("There is no .text section.");
+    } else {
+      // Print its content
+      printf("Section .text is :");
+      array_symbol_out_str(stdout, *a);
+      printf("\n");
+    }
+  }
+  return 0;
+}