UNIX Programming. struct timeval how to print it (C-programming)

Question

I am trying to print a value of type timeval. Actually I am able to print it, but I get the following warning:

Multiple markers at this line

• format ‘%l

Answer 1

Yes , timeval is defined like this

struct timeval { 
    time_t      tv_sec; 
    suseconds_t tv_usec; 
} 

Using

printf ("%ld.%06ld\n", usage.ru_stime.tv_sec, usage.ru_stime.tv_usec); 

will surely of help.