56 	buf->used = 0;  in strbuf_init()
68 	bytes = realloc(buf->bytes, buf->used + 1);  in strbuf_steal()
73 	bytes[buf->used] = '\0';  in strbuf_steal()
79 	if (!buf_grow(buf, buf->used + 1))  in strbuf_str()
81 	buf->bytes[buf->used] = '\0';  in strbuf_str()
87 	if (!buf_grow(buf, buf->used + 1))  in strbuf_pushchar()
89 	buf->bytes[buf->used] = ch;  in strbuf_pushchar()
90 	buf->used++;  in strbuf_pushchar()
103 	if (!buf_grow(buf, buf->used + len))  in strbuf_pushchars()
106 	memcpy(buf->bytes + buf->used, str, len);  in strbuf_pushchars()
107 	buf->used += len;  in strbuf_pushchars()
114 	assert(buf->used > 0);  in strbuf_popchar()
115 	buf->used--;  in strbuf_popchar()
120 	assert(buf->used >= n);  in strbuf_popchars()
121 	buf->used -= n;  in strbuf_popchars()
126 	buf->used = 0;  in strbuf_clear()