strbuf_addch 1994 tools/perf/util/probe-event.c err = strbuf_addch(buf, ' '); strbuf_addch 2017 tools/perf/util/probe-event.c err = strbuf_addch(buf, ')'); strbuf_addch 2482 tools/perf/util/probe-event.c ret = strbuf_addch(result, ')'); strbuf_addch 1411 tools/perf/util/probe-finder.c if (strbuf_addch(&buf, '\t') < 0) strbuf_addch 83 tools/perf/util/strbuf.h int strbuf_addch(struct strbuf *sb, int c);