all: at this point just read readme 😭

spaghetti code
equivalent spaghetti readme
spaghetti commit (wait no, this is actually descriptive)

src/util.c

@@ -1,9 +1,58 @@
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
 
+#include <keys.h>
+#include <ui.h>
 #include <util.h>
 
+static int selret_magic();
+
 void strcln(char **dest, const char *source) {
   *dest = malloc(strlen(source) + sizeof(char));
   strcpy(*dest, source);
 }
+
+enum keys find_ansi(char *seq) {
+  for (size_t i = 0; i < sizeof(key_mappings) / sizeof(key_mappings[0]); i++) {
+    struct key_mapping mapping = key_mappings[i];
+    for (size_t j = 0; mapping.sequences[j] != NULL; j++) {
+      if (strcmp(mapping.sequences[j], seq) == 0) {
+        return (enum keys)i;
+      }
+    }
+  }
+  return -1;
+}
+
+// https://stackoverflow.com/a/48040042
+void read_press(u_char *length, char *out) {
+  *length = 0;
+
+  while (true) {
+    if (read(STDIN_FILENO, &out[(*length)++], 1) != 1) {
+      print_errno("read error");
+      sleep(3);
+      exit(1);
+    }
+    int selret = selret_magic();
+    if (selret == -1) {
+      print_errno("selret error");
+    } else if (selret != 1) {
+      out[*length] = '\0';
+      return;
+    }
+  }
+}
+
+static int selret_magic() {
+  fd_set set;
+  struct timeval timeout;
+  FD_ZERO(&set);
+  FD_SET(STDIN_FILENO, &set);
+  timeout.tv_sec = 0;
+  timeout.tv_usec = 0;
+  return select(1, &set, NULL, NULL, &timeout);
+}