Chapter 6 Function Descriptions
ClearMem
void ClearMem(p, size);
Purpose
Sets size bytes starting at the address referenced by p to 0.
Parameters
Name |
Type |
Description |
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p |
UPtr |
Pointer to block of memory you want to |
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clear. |
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size |
int32 |
Number of bytes you want to clear. |
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Chapter 6 Function Descriptions
CPStrBuf
Macro
uChar *CPStrBuf(sp);
Purpose
Returns the address of the first string in a concatenated list of Pascal strings, that is, the address of sp->str.
Parameters
Name |
Type |
Description |
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sp |
CPStrPtr |
Pointer to a concatenated list of Pascal |
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strings. |
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Return Value
The address of the first string of the concatenated list of Pascal strings.
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Chapter 6 Function Descriptions
CPStrCmp
int32 CPStrCmp(s1p, s2p);
Purpose
Lexically compares two concatenated lists of Pascal strings to determine whether one is less than, equal to, or greater than the other. This comparison is case sensitive, and the function compares the lists as if they were one string.
Parameters
Name |
Type |
Description |
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s1p |
CPStrPtr |
Pointer to a concatenated list of Pascal |
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strings. |
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s2p |
CPStrPtr |
Pointer to a concatenated list of Pascal |
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strings. |
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Return Value
<0, 0, or >0 if s1p is less than, equal to, or greater than s2p, respectively. Returns <0 if s1p is an initial substring of s2p.
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Chapter 6 Function Descriptions
CPStrIndex
PStr CPStrIndex(s1h, index);
Purpose
Returns a pointer to the Pascal string denoted by index in a list of strings. If index is greater than or equal to the number of strings in the list, this function returns the pointer to the last string.
Parameters
Name |
Type |
Description |
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s1h |
CPStrHandle |
Handle to a concatenated list of Pascal |
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strings. |
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index |
int32 |
Number of the string you want, with 0 as the |
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first string. |
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Return Value
A pointer to the specified Pascal string.
© National Instruments Corporation |
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