Mine

bash-2.00$ for file in * ; do echo "---" $file "---"; grep log_message $file; done
--- AcceptTCPConnection.c ---
--- AcceptTCPConnection.h ---
--- AcceptTCPConnection.o ---
--- CreateTCPServerSocket.c ---
--- CreateTCPServerSocket.h ---
--- CreateTCPServerSocket.o ---
--- DieWithError.c ---
    log_message(errorMessage);
--- DieWithError.h ---
--- DieWithError.o ---
--- HandleTCPClient.c ---
--- HandleTCPClient.h ---
--- HandleTCPClient.o ---
--- Makefile ---
--- TCPServer.c ---
              log_message(buf);
--- TCPServer.h ---
--- conf.h ---
--- debug.c ---
--- debug.h ---
--- debug.o ---
--- demonize.c ---
void log_message(char * message)
--- demonize.h ---
void log_message(char * message);
--- demonize.o ---
--- queuelist.c ---
--- queuelist.h ---
--- queuelist.o ---
--- smsAir2WebReport ---
--- smsAir2WebReport.c ---
--- smsAir2WebReport.h ---
--- smsAir2WebReport.o ---
--- test ---
--- url_decode.c ---
--- url_decode.h ---
--- url_decode.o ---
--- ---
        log_message("\nstarting process...\n");
    log_message(buf);
        log_message(buf);
              log_message(buf);