Chapter 6 Function Descriptions
PStrCpy
PStr PStrCpy(dst, src);
Purpose
Copies the Pascal string src to the Pascal string dst. This function assumes dst is large enough to contain src.
Parameters
Name |
Type |
Description |
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dst |
PStr |
Pointer to a Pascal string. |
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src |
PStr |
Pointer to a Pascal string. |
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Return Value
A copy of the destination Pascal string pointer.
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Chapter 6 Function Descriptions
PStrLen
Macro
uInt8 PStrLen(s);
Purpose
Returns the length of a Pascal string, that is, the value at the first byte at the specified address.
Parameters
Name |
Type |
Description |
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s |
PStr |
Pointer to a Pascal string. |
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Chapter 6 Function Descriptions
PStrNCpy
PStr PStrNCpy(dst, src, n);
Purpose
Copies the Pascal string src to the Pascal string dst. If the source string is greater than n, this function copies only n bytes. The function assumes dst is large enough to contain src.
Parameters
Name |
Type |
Description |
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dst |
PStr |
Pointer to a Pascal string. |
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src |
PStr |
Pointer to a Pascal string. |
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n |
int32 |
Maximum number of bytes you want to copy, |
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including the length byte. |
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Return Value
A copy of the destination Pascal string pointer.
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Chapter 6 Function Descriptions
PToCStr
int32 PToCStr(pstr, cstr);
Purpose
Converts a Pascal string to a C string. This function works even if the pointers pstr and cstr refer to the same memory location. The function assumes cstr is large enough to contain pstr.
Parameters
Name |
Type |
Description |
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pstr |
PStr |
Pointer to a Pascal string. |
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cstr |
CStr |
Pointer to a C string. |
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Return Value
The length of the string.
© National Instruments Corporation |
6-157 |
Using External Code in LabVIEW |