HelenOS sources
os_str_acat 238 uspace/app/sbi/src/os/helenos.c *ptr = os_str_acat(line, "\n");
os_str_acat 34 uspace/app/sbi/src/os/os.h char *os_str_acat(const char *a, const char *b);
os_str_acat 261 uspace/app/sbi/src/os/posix.c return os_str_acat(dirname(ef_path), "/lib");
os_str_acat 103 uspace/app/sbi/src/program.c fname = os_str_acat(path, "/libflist");
os_str_acat 129 uspace/app/sbi/src/program.c tmp = os_str_acat(path, "/");
os_str_acat 130 uspace/app/sbi/src/program.c fname = os_str_acat(tmp, name_buf);
os_str_acat 1014 uspace/app/sbi/src/run_expr.c string_v->value = os_str_acat(s1, s2);
HelenOS homepage, sources at GitHub