* Disassembly by Os9disasm of strspn.r

 section code

strspn: pshs  x,u 
 ldx   8,s 
 ldu   6,s 
 pshs  x 
L0008 ldb   ,u+ 
 beq   L0028 
 stb   3,s 
 lbsr  strchr 
 bne   L0008 
 bra   L0028 
strcspn: pshs  x,u 
 ldx   8,s 
 ldu   6,s 
 pshs  x 
L001d ldb   ,u+ 
 beq   L0028 
 stb   3,s 
 lbsr  strchr 
 beq   L001d 
L0028 leau  -1,u 
 tfr   u,d 
 subd  8,s 
 leas  4,s 
 puls  u,pc 

 endsect