Document prefix() and skip_*()

1 files changed, 5 insertions, 2 deletions

diff --git a/src/gemini2html.c b/src/gemini2html.c
index 48c5128..2d90636 100644
--- a/src/gemini2html.c
+++ b/src/gemini2html.c
@@ -75,15 +75,18 @@ char* escape_text(const char* unescaped, const size_t size) {
     return escaped;
 }
 
+/* Returns true if str has the prefix pre, otherwise false. */
 bool prefix(const char* pre, const char* str) {
     return strncmp(pre, str, strlen(pre)) == 0;
 }
 
-int skip_whitespace(const char* str, size_t* pos) {
+/* Moves pos index to next non-whitespace or NULL character in str. */
+void skip_whitespace(const char* str, size_t* pos) {
     while (str[*pos] != '\0' && (str[*pos] == ' ' || str[*pos] == '\t')) (*pos)++;
 }
 
-int skip_non_whitespace(const char* str, size_t* pos) {
+/* Moves pos index to next whitespace or NULL character in str. */
+void skip_non_whitespace(const char* str, size_t* pos) {
     while (str[*pos] != '\0' && !(str[*pos] == ' ' || str[*pos] == '\t')) (*pos)++;
 }