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Return index of a character in null-terminated array of char.
Source position: systemh.inc line 755
| function IndexChar0( | 
| const buf; | 
| len: SizeInt; | 
| b: Char | 
| ):SizeInt; | 
IndexChar0 returns the index of the character b in the null-terminated array Buf. At most len characters will be searched, or the null character if it is encountered first. If the character is not found, -1 is returned.
On error, -1 is returned.
| 
 | Search for a byte in a memory range. | |
| 
 | Search for a character in a memory range. | |
| 
 | Search for a WORD value in a memory range. | |
| 
 | Search for a DWord value in a memory range. | |
| 
 | Compare two buffers character by character till a null-character is reached. |