1 files changed, 11 insertions, 5 deletions
diff --git a/c/gbos.h b/c/gbos.h
index 9a09a5d..3a10e06 100644
--- a/c/gbos.h
+++ b/c/gbos.h
@@ -1,9 +1,15 @@
-/* gbos userland C API (thin wrappers over rst $30 syscalls; see c/libc.asm) */
+/* gbos userland C API (thin wrappers over rst $30 syscalls; see c/libc.s) */
 #ifndef GBOS_H
 #define GBOS_H
-void          writes(const char *buf, unsigned char len); /* write to console */
-void          nl(void);                                   /* newline (CRLF)   */
-unsigned char readc(void);                                /* read one byte    */
-void          sexit(unsigned char code);                  /* exit(code)       */
+#define EOF 4                 /* readc() returns this at end of input */
+
+void          writes(const char *buf, unsigned char len);
+void          putc(char c);
+void          puts(const char *s);        /* write a NUL-terminated string */
+void          nl(void);                   /* newline (CRLF)                */
+unsigned char strlen(const char *s);
+char         *getargs(void);              /* this program's argument string */
+char          readc(void);                /* one input byte, EOF at end    */
+void          sexit(unsigned char code);
 unsigned char getpid(void);
 #endif