Texas Instruments TI89 Developer Guide - Page 1037
strlen, Declaration, Categoryies, Description, Inputs, Outputs, Assumptions, Side Effects
![]() |
UPC - 033317198566
View all Texas Instruments TI89 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 1037 highlights
Appendix A: System Routines - Strings 995 strlen Declaration: size_t strlen (const char * str) Category(ies): Strings Description: Returns the length in bytes of the string pointed to by str, not counting the terminating null character. Inputs: str - Character string. Outputs: Length of the string pointed to by str. Assumptions: None Side Effects: None Availability: All versions of the TI-89 / TI-92 Plus. TI-89 / TI-92 Plus Differences: None See Also: strspn, strcspn Example: void hStrAppend( HANDLE hStr1, UCHAR *pStr2 ) /* hStrAppend - append string to a handle. input: hStr1 = handle to string to be lengthened, pStr2 = string to append to handle. */ { UCHAR *pStr1; ULONG lStr1, lStr2, lBuf; pStr1 = HeapDeref(hStr1); lStr1 = strlen((char *)pStr1); /* find length of string in handle */ lStr2 = strlen((char *)pStr2); /* length of string to append */ lBuf = lStr1 + lStr2 + 1; /* calc new space requirement */ if (HeapRealloc(hStr1, lBuf) == 0) /* try to get new space */ ER_throw(ER_MEMORY); pStr1 = (UCHAR *)HeapDeref(hStr1) + lStr1; /* point to end of original string */ memcpy(pStr1, pStr2, lStr2+1); /* append new string */ } TI-89 / TI-92 Plus Developer Guide Not for Distribution Beta Version January 26, 2001
![](/manual_guide/products/texas-instruments-ti89-developer-guide-95b636f/1037.png)