coreutils

echo: Add comments

Diffstat

1 files changed, 4 insertions, 0 deletions

diff --git a/src/echo.c b/src/echo.c
index f0dc755..1d1caf7 100644
--- a/src/echo.c
+++ b/src/echo.c
@@ -41,6 +41,10 @@ int main(int ac, char *av[]) { (void)ac;
 	} fputc('\n', stdout); return 0;
 }
 
+/*
+	Echo a string to stdout character by character.
+	Escape sequences are processed according to XSI.
+*/
 static inline void echo(const char *s) {
 	for (const char *p = s; *p; ++p) {
 		if (*p == '\\' && p[1]) switch (*++p) {