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53 lines
989 B
Plaintext
53 lines
989 B
Plaintext
NAME
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strerror - returns a string describing an error value
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SYNOPSIS
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strerror([x])
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TYPES
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x error-value or integer in [0, 32767], defaults to errno()
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return string
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DESCRIPTION
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If x is the error-value with index n, strerror(x) and strerror(n)
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return one of:
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a system-generated message,
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a calc-generated description,
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a user-defined description created by newerror(str),
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the string "Error n",
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where, in the last form, n is represented decimally.
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EXAMPLE
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System error messages may be different for different systems.
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> errmax(errcount()+3)
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0
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> strerror(2)
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"No such file or directory"
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> x = 3 * ("a" + "b")
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> print strerror(x)
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Bad arguments for +
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> a = newerror("alpha")
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> print strerror(a)
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alpha
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> print strerror(999)
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Error 999
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> a = 1/0
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> print strerror()
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Division by zero
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LIMITS
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none
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LIBRARY
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none
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SEE ALSO
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errcount, errmax, error, iserror, errno, newerror, errorcodes
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