14 sprinter:
 15
 16     pushl %ebp
 17     movl %esp,%ebp
 18
 19     movl 8(%ebp), %esi      #Put res pointer in esi
 20     movl 12(%ebp), %edi     #Put format pointer in edi
 21     movb $0,%cl             #Initializing res len to 0
 22     movl $16,%edx           #Stack offset
 23
 24 s_loop:
 25     movb (%edi), %al        #Moves format char to %al
 26     cmpb $37, %al           #Check if char is %